| Rank | Abbreviation | Meaning |
|---|
| ***** | AMRL | AASHTO (American Association of State Highway and Transportation Officials) Materials Reference Laboratory
| |
| **** | AMRL | Aerospace Medical Research Laboratory
| |
| **** | AMRL | And Maritime Research Laboratory
| |
| **** | AMRL | Anime and Manga Resource List
| |
| *** | AMRL | American Muscle Racing League
| |
| *** | AMRL | American Materials Reference Laboratory
| |
| *** | AMRL | Aerospace Medical Research Laboratories
| |
| *** | AMRL | Army Medical Research Laboratory
| |
| *** | AMRL | Army Medical Research Laboratories
| |
| ** | AMRL | Army Medical Research Lab
| |
| ** | AMRL | Advanced Material Research Laboratory
| |
| ** | AMRL | Aeronautical and Maritime Research Laboratories
| |
| ** | AMRL | A Major Recording Label
| |
| ** | AMRL | AASHTO Materials Reference Library
| |
| ** | AMRL | Applied Marine Research Laboratory
| |
| ** | AMRL | Active Magnetic Regenerative Liquefier
| |
| * | AMRL | Aerospace Medical Research Labs
| |
| * | AMRL | Adjusted Main Ring Length
| |
| * | AMRL | Al Mulla Rental Leasing
| |
| * | AMRL | Avera McKennan Regional Laboratory
| |
| * | AMRL | Aeronautical Maritime Research Laboratory
| |
| * | AMRL | Alabama Marine Resources Laboratory
| |
| * | AMRL | Aeronautical and Maritime Research Lab
| |
| * | AMRL | Autonomous Mobile Robotics Lab
| |
| * | AMRL | AMERICAN ATLANTIC CO.
| |